This name is a synonym of Lathyrus dielsianus Harms.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13042951) with original publication details: Nuovo Giorn. Bot. Ital., n.s., 17(3): 403–404 1910.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:524824-1.
This name was in version 1 of The Plant List, record tro-13042951.